Contradiction with Joshua 21:43-44
It states that the Lord gave Israel all the land he had sworn to give their ancestors, contradicting the notion in Judges 18:28 that the inhabitants of the city were taken without divine command.
Joshua 21:43-44: And the LORD gave unto Israel all the land which he sware to give unto their fathers; and they possessed it, and dwelt therein.
Contradiction with Deuteronomy 12:10
This verse promises rest from enemies and secure habitation, which contradicts the need to attack and occupy a peaceful city as seen in Judges 18:28.
Deuteronomy 12:10: But [when] ye go over Jordan, and dwell in the land which the LORD your God giveth you to inherit, and [when] he giveth you rest from all your enemies round about, so that ye dwell in safety;
Contradiction with Joshua 11:23
States that the whole land was taken as God commanded and given for inheritance, which contradicts the need for further conquests as in Judges 18:28.
Joshua 11:23: So Joshua took the whole land, according to all that the LORD said unto Moses; and Joshua gave it for an inheritance unto Israel according to their divisions by their tribes. And the land rested from war.
Contradiction with Deuteronomy 20:16-17
This passage commands the Israelites to destroy specific people groups, suggesting divine orders for different actions than the unprompted conquest described in Judges 18:28.
Deuteronomy 20:16-17: But of the cities of these people, which the LORD thy God doth give thee [for] an inheritance, thou shalt save alive nothing that breatheth:
Contradiction with Judges 1:27-28
Shows that the Israelites did not completely drive out the inhabitants of the land, contradicting the seemingly easy capture depicted in Judges 18:28.
Judges 1:27-28: Neither did Manasseh drive out [the inhabitants of] Bethshean and her towns, nor Taanach and her towns, nor the inhabitants of Dor and her towns, nor the inhabitants of Ibleam and her towns, nor the inhabitants of Megiddo and her towns: but the Canaanites would dwell in that land.